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【判断题】
起动机主电路导线截面积不得小于35。A.
正确
B.
错误
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【简答题】（ 2006 年石家庄市）某同学想用电流表、电压表测量一段电阻丝 R 的电阻，他已连接了部分电路，如图 20 甲所示。请你接着完成下列步骤： (1) 用笔画线代替导线，将电路补画完整． (2) 当电压表示数为 2.4V 时，电流表的示数如图所示，这时电路中的电流是 A ，电阻丝的电阻为 Ω ．这位同学通过改变被测电阻两端的电压，共测得三组对应的电压值和电流值，最后算出电阻的平均值，这样做的目的是 ...
【单选题】— _____ may I keep these books? —Twice a week. [ ]
A.
How often
B.
How far
C.
How long
D.
How soon
【单选题】The trade fair is designed to facilitate further cooperation between Chinese auto industries and overseas auto industries.
A.
promote
B.
protect
C.
preserve
D.
prolong
【单选题】_____________ from the bank to the post office? [ ]
A.
How long is it
B.
How far is it
C.
How tall is it
D.
How high is it
【单选题】— may I keep these books? —Two weeks. [ ]
A.
How often
B.
How far
C.
How long
D.
How soon
【判断题】Before considering the following before deciding on attending a trade fair: Is this an international, national, or regional trade fair? Will the product/ service of the company fit in this trade fair?...
A.
正确
B.
错误
【简答题】What is the reason for the popularity of the trade fair? The popularity due to their ______ and save of traveling time.
【单选题】I'll finish the job , no matter ________ it takes.
A.
what
B.
when
C.
how long
D.
how far
【单选题】—How far is it from your home to school, Jimmy? — Not very far. I usually _____ there. It's also a kind of exercise. [ ]
A.
take a train
B.
ride a bike
C.
take a plane
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